Posted by bill on Sunday, March 30, 2008 at 6:03pm.
The measures of six angles in a convex heptagon are 120 degrees, 88 deg., 91deg, 164deg.,173deg.,and 99deg. Find the measure of the remaining angle.

geometry  Reiny, Sunday, March 30, 2008 at 6:26pm
simple.
the angles in a heptagon add up to 900º
(180 * 5)
Add up what you have so far, and subtract that from 900